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$ gem install vimgolf
$ vimgolf setup
$ vimgolf put 50b746da523acc0002000018

Checkerboard case pattern

All the squares are white. Make some of them black. But only the right ones.

Start file
aaaaaaaa
aaaaaaaa
aaaaaaaa
aaaaaaaa
aaaaaaaa
aaaaaaaa
aaaaaaaa
aaaaaaaa
End file
aAaAaAaA
AaAaAaAa
aAaAaAaA
AaAaAaAa
aAaAaAaA
AaAaAaAa
aAaAaAaA
AaAaAaAa

View Diff

1,8c1,8
< aaaaaaaa
< aaaaaaaa
< aaaaaaaa
< aaaaaaaa
< aaaaaaaa
< aaaaaaaa
< aaaaaaaa
< aaaaaaaa
---
> aAaAaAaA
> AaAaAaAa
> aAaAaAaA
> AaAaAaAa
> aAaAaAaA
> AaAaAaAa
> aAaAaAaA
> AaAaAaAa

Solutions by @wansmer:

Unlock 5 remaining solutions by signing in and submitting your own entry
Created by: @udioica

61 active golfers, 164 entries

Solutions by @wansmer:
15
#4 - Иван / @wansmer

05/04/2023 at 08:43AM

16
#>19 - Иван / @wansmer

05/04/2023 at 08:36AM

17
#>28 - Иван / @wansmer

05/04/2023 at 08:31AM

18
#>32 - Иван / @wansmer

05/04/2023 at 08:30AM

19
#>35 - Иван / @wansmer

05/04/2023 at 08:27AM